Other mistake: Frasier seems jealous in this episode that Dr Webber went to Oxford, he even says, "Oh well, even better," in comparison to his own Harvard. However, in several other episodes we are told that Frasier got degrees from both Harvard and Oxford so why the jealously? Similarly in other episodes, he never mentions Oxford, only Harvard as where he went to University.
Continuity mistake: While Frasier, Niles, Martin, and Roz are in Cafe Nervosa, and as Clint comes in, the extra in the background is reading a newspaper, which goes from opened to closed to opened from shot to shot, with no time for her to change it.
Continuity mistake: As Roz is introduced to Clint, there is nothing on the console where Frasier is standing. But as the scene progresses, a clipboard suddenly appears there, without human assistance.
Continuity mistake: Clint, Frasier, and Roz are in Cafe Nervosa and Clint is holding is coffee cup and speaking French. In the next shot the coffee is on the table and his hands are on his knee.
Continuity mistake: As Frasier tells Bulldog that he shouldn't feel threatened by Clint, we can see the edge of a clipboard moving on the bottom right screen, where Roz would be. However, in the shot before that, Roz had pretended to punch Bulldog - she had nothing in her hand and wouldn't have had time to pick anything up.
Answer: In the last episode, they explained that Tossed Salad and Scrambled Eggs is a metaphor for the mixed-up people to whom Frasier dispenses his radio psychiatric advice.